BAE Systems

Mid/Senior Systems Administrator

BAE Systems$95K — $115K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of system administration experience in high-pressure environments.
  • Hands-on experience with both Linux and Microsoft servers.
  • 5+ years in system and application hardening, especially in secure settings.
  • Experienced in software and hardware deployment, patch management, and backup solutions.
  • Proficient in Windows Server 2016, 2019, and Active Directory.
  • Must have TS/SCI clearance with polygraph.

Responsibilities

  • Install and optimize server and desktop configurations for reliability and efficiency.
  • Manage security measures including vulnerability assessments and patching.
  • Resolve hardware and software issues with long-term solutions.
  • Document server/network environments for better incident management.
  • Communicate effectively with stakeholders on system upgrades and outages.

Benefits

  • Health, dental, and vision insurance.
  • 401(k) savings plan and health savings accounts.
  • Disability coverage and life insurance.
  • Employee assistance program and legal plan.
  • Paid time off, holidays, and various leave options including parental and bereavement.
Full Job Description
Job Description

The Opportunity
We are seeking a highly skilled Mid-to-Senior System Administrator to manage and optimize a large, complex, and geographically distributed network environment. This role is designed for a technical professional who excels in high-pressure environments and possesses the agility to adapt to evolving operational priorities.

The successful candidate will oversee multiple air-gapped systems, each with its own distinct domain and supporting infrastructure. This is a pivotal role requiring a blend of strategic system engineering and hands-on technical execution to sustain and upgrade critical capabilities.

Primary Responsibilities
  • System Optimization: Install, administer, and optimize server and desktop configurations to ensure continuous, reliable, and efficient operations.
  • Security & Compliance: Manage complex server enclaves, including vulnerability assessments, patching, certificate renewals, and Active Directory configurations.
  • Technical Problem Solving: Identify and resolve critical hardware and software issues, developing sustainable long-term solutions for recurring operational challenges.
  • Infrastructure Documentation: Develop and maintain comprehensive documentation of complex server/network environments to streamline incident resolution and knowledge transfer.
  • Stakeholder Communication: Coordinate with end-users and external support personnel regarding outages and upgrades, while providing data-driven recommendations to upper management.

#LI-PB2

Required Skills and Education

  • Professional Experience: Substantial experience providing direct system administration support to large groups of technical staff, including developers and engineers.
  • Technical Proficiency: Minimum of 5 years of hands-on experience supporting both Linux and Microsoft-based servers and workstations.
  • Security Hardening: 5+ years of experience in operating system and application hardening, specifically within DISA and high-assurance environments.
  • Lifecycle Management: 5+ years of experience in software/hardware deployment, patch management, and robust backup/restore functions.
  • Core Competencies: Proficiency in Windows Server 2016, 2019, and Active Directory.
  • Travel: Ability to perform local travel and occasional annual CONUS and OCONUS trips.
  • Must possess a TS/SCI clearance with polygraph

MDOPS

Preferred Skills and Education

  • Education: Bachelor's Degree in System Engineering, Computer Science, Information Systems, or a related technical field with 8+ years of relevant experience.
  • Specialized Tools: Experience building and maintaining large-scale, distributed Trellix ePO environments.
  • Automation: Strong scripting capabilities using SALT and Python.
  • Advanced Stack: Hands-on experience with Red Hat 7/8, VMware, Apache Tomcat, IIS, SQL Server, and KVMs.
  • Security Architecture: Expertise in security accreditation, PKI, SSP, multi-domain environments, and vulnerability assessment.
  • Virtualization & Hardware: Proficiency in client/server virtualization, disk arrays, PowerShell, PowerCLI, HSMs, and NTP.


Benefits Information

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.

Intern Benefits: Temporary employees generally are not eligible for BAE Systems benefits, but can elect to participate in the 401(k) savings plan. Temporary employees working 20+ hours per week are eligible for medical benefits, the employee assistance program, and business travel accident insurance.

Please note: Some benefits may be different for union employees that are governed by a collective bargaining agreement (CBA) or for positions covered by a wage law called the McNamara-O'Hara Service Contract Act (SCA).

About BAE Systems

BAE Systems plc is a British multinational arms, security, and aerospace company. It is among the world's largest defense contractors, with over 85,000 employees and operations in over 40 countries. BAE Systems is involved in the design, development, and manufacture of a wide range of products and services, including military aircraft, naval ships, and land vehicles. The company also provides a range of cybersecurity and intelligence services. BAE Systems has a long history, dating back to the 19th century, and has been involved in many major defense projects. Visit baesystems.com for more information.
Learn more about BAE Systems
Size
90,500 employees
Industry
Founded
1997
NASDAQ

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